02/11/2015 www.crouzet.com 7.5 12.5 Watts 4 phases Part number 82940015 48 steps/revolution (7.5) Absorbed power: 12.5 W 2 or 4 phase versions available Part numbers Number of Electronic controller Resistance per phase Inductance per phase Current per phase Voltage at motor terminals Type Type phases used () (mH) (A) (V) 4 82 940 015 829400 4 Unipolar 7.4 11 0,9 6,7 phases Specifications Absorbed power (W) 12,5 Holding torque (mNm) 240 o 7,5 Step angle ( ) Positioning accuracy (%) 5 2 180 Rotor inertia (gcm ) Max. detent torque (mNm) 16 o 120 Max. coil temperature ( C) 0 -40+80 Storage temperature ( C) Thermal resistance of coil - ambient air (C/W) 5,6 Insulation resistance (at 500 Vcc) (M) following NFC 3 > 10 51200 standard Insulation voltage (50Hz, 1 minute) (V) following NFC > 600 51200 standard Wires length (mm) 250 Weight (g) 540 Protection rating IP 40 Dimensions (mm) o Legend N 4 oblong fixing holes 4.2 wide Curves 4 phases Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected02/11/2015 www.crouzet.com Inertia of measuring chain: 20.5 g.cm2 a = constant voltage controller with Rs (resistance in series) = 0 b = constant voltage controller with Rs (resistance in series) = R motor c = constant voltage controller with Rs (resistance in series) = 2R motor d = constant voltage controller with Rs (resistance in series) = 3R motor The measurements are made with full stepping, 2-phases energised. o Legend N RPM Max. stopping-starting curves Curves 4 phases - 7,4 Max. stopping-starting and operating curves at I constant (PBL 3717) for 2 (motor) phases 5.2 ohms. Holding torque 240 mN.m Current per phase 0.55 A Curves Max. stopping-starting frequency curves as a function of the external inertia load at zero antagonistic torque. Tests at constant U. Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected